<template>
    <div>
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>数据统计</el-breadcrumb-item>
            <el-breadcrumb-item>数据报表</el-breadcrumb-item>
        </el-breadcrumb>
        <el-card>
            <div id="main" style="width: 600px;height:400px;"></div>
        </el-card>
    </div>
</template>
 
<script>
import * as echarts from 'echarts';
import _ from 'lodash';
export default {
    data() {
        return {
          options: {
            title: {
                text: '用户来源'
            },
            tooltip: {
                trigger: 'axis',
                axisPointer: {
                    type: 'cross',
                    label: {
                        backgroundColor: '#E9EEF3'
                    }
                }
            },
            grid: {
                left: '3%',
                right: '4%',
                bottom: '3%',
                containLabel: true
            },
            xAxis: [
                {
                    boundaryGap: false
                }
            ],
            yAxis: [
                {
                    type: 'value'
                }
            ]
          }
        }
    },
    created () {},
    async mounted () {
       
        var myChart = echarts.init(document.getElementById('main'));

      // 指定图表的配置项和数据

      const {data: res} = await this.$http.get('/api/private/v1/reports/type/1');
        if(res.meta.status !== 200) {
          return this.$message.error("获取折线图数据失败");
        }

        const result = _.merge(res.data,this.options);

        
        // 使用刚指定的配置项和数据显示图表。

        myChart.setOption(result);

    },
    methods: {}
}
</script>

<style lang="less" scoped>
</style>